CN103638817A - Film column cleaning control method, apparatus and system thereof, and sewage treatment apparatus - Google Patents
Film column cleaning control method, apparatus and system thereof, and sewage treatment apparatus Download PDFInfo
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- CN103638817A CN103638817A CN201310585225.3A CN201310585225A CN103638817A CN 103638817 A CN103638817 A CN 103638817A CN 201310585225 A CN201310585225 A CN 201310585225A CN 103638817 A CN103638817 A CN 103638817A
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Abstract
The invention relates to the technical field of sewage treatment, and discloses a film column cleaning control method, an apparatus and a system thereof, and a sewage treatment apparatus. The cleaning effect of a film column is optimized, so the cleaning cost is saved, and the service life of the film column is prolonged. The cleaning control method comprises the following steps: acquiring the accumulative cleaning frequency of the film column, the accumulative cleaning time of the film column and the conductivity of inlet raw water; determining the fouling grade of the film column according to a corresponding relation between each of the accumulative cleaning frequency of the film column, the accumulative cleaning time of the film column and the conductivity of the inlet raw water and the fouling scale of the film column; and determining the cleaning executing time, the cleaning cycle frequency and the cleaning coefficient of current-time cleaning of the film column according to the corresponding relation between each of the accumulative cleaning frequency of the film column, the accumulative cleaning time of the film column and the conductivity of the inlet raw water and the fouling scale of the film column.
Description
Technical field
The present invention relates to technical field of sewage, particularly relate to a kind of cleaning control method, device, system and a kind of sewage disposal device of film post.
Background technology
Physical chemistry treatment technology, irradiation technology and membrane separation technique are called as three large water technologies.Wherein, membrane separation technique be by film to the chemosmotic difference of the selection of each component in mixture, take outside energy or chemical potential difference carries out the method for separation, classification, purification and enrichment as motive force to the liquid of two components or multicomponent mixture.And reverse osmosis membrane separation technology is as the advanced technology of world today's water treatment, there is the advantages such as clean, efficient, pollution-free, at aspects such as desalinization, city water processing, pure water and ultra-pure water preparation, municipal sewage and utilization, Industrial Wastewater Treatment, Spent Radioactive water treatments, be widely used.
Processing for percolate from garbage filling field, if reach national grade one discharge standard, two-stage DTRO(Disc Tube Reverse Osmosis is generally provided, disc tube reverse osmosis (dt-ro), be called for short DTRO) treatment system, sewage disposal device comprises central control system, sand filter, first-stage reverse osmosis system, two-stage reverse osmosis system, percolate storage tank, sulfuric acid storage tank, water purification storage tank, cleaning agent storage tank, degassing tower etc.
Film post, as the core component of counter-infiltration system, mainly comprises disc-type diaphragm, flow guiding disc, O type rubber ring, center pull rod and pressure jacket.Film post there will be scale formation after work a period of time, can have influence on the normal work of equipment when serious, therefore needs regularly film post to be carried out to Chemical cleaning.In prior art, when film column pressure reaches 55bar(1bar=100KPa), and accumulated running time reach 125 hours, at this moment equipment sends warning, alert is cleaned film post.Operating personnel select cleaning reagent and set and clean the time of implementation, then start film post to carry out Chemical cleaning.
Present inventor finds, prior art carries out not considering in the alert if of Chemical cleaning the fouling grade of film post to film post, if the slight fouling of film post, the cleaning that adopts the method to be fixed the time is unfavorable for saving cleaning energy consumption, cost, and if the fouling of film post is serious, adopt the method may cause film post cleaning dirty, and then have influence on the service life of film post and the wastewater treatment efficiency of equipment.
Summary of the invention
The embodiment of the present invention provides a kind of cleaning control method, device, system and a kind of sewage disposal device of film post, in order to optimize the effect that film post is cleaned, to save, cleans energy consumption and cost, extends the service life of film post.
The cleaning control method of the film post that the embodiment of the present invention provides, comprising:
Obtain the accumulative total wash number of film post, the accumulative total scavenging period of film post and former water water inlet electrical conductivity;
According to the corresponding relation of the accumulative total scavenging period of the accumulative total wash number of film post, film post and former water water inlet electrical conductivity and film post fouling grade, determine the fouling grade of film post;
According to the corresponding relation of the cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and cleaning coefficient, determine cleaning time of implementation, the clean cycle number of times that film post ought last time clean and clean coefficient.
In technical solution of the present invention, according to the corresponding relation of the cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and cleaning coefficient, determine cleaning time of implementation, the clean cycle number of times that film post ought last time clean and clean coefficient, can optimize the effect that film post is cleaned, when the slight fouling of film post, the time of implementation of cleaning is shorter, can improve cleaning efficiency and save and clean energy consumption and cost, when the fouling of film post is serious, the time of implementation of cleaning suitably increases, can guarantee the cleaning quality of film post, improve the service efficiency of film post.
Preferably, the method also comprises:
Obtain the pH value of recirculated water;
According to the corresponding relation of the pH value of the fouling grade of film post and recirculated water and cleaning reagent classification and cleaning reagent consumption, determine cleaning reagent classification and the cleaning reagent consumption that ought last time clean.
According to the pH value of the fouling grade of film post and recirculated water, determine cleaning quality and the cleaning efficiency that the cleaning reagent classification that ought last time clean and cleaning reagent consumption can further improve film post, and can reduce the waste of cleaning reagent, further save and clean cost.
Preferably, the method also comprises:
According to the corresponding relation of the accumulative total scavenging period of the accumulative total wash number of film post, film post and former water water inlet electrical conductivity and film post water rate, determine the water rate of film post;
According to the water rate of film post, apart from last time, clean the cleaning rank of determining the interval time of film post and the pressure of film post and other corresponding relation of film post wash stage film post, the cleaning rank of described film post comprises warning level and alert levels;
When the cleaning rank of described film post is warning level, output film post cleans early warning information;
When the cleaning rank of described film post is alert levels; output film post cleans prompt messages; and control sewage disposal device and shut down, according to the cleaning time of implementation that ought last time clean, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned.
When the cleaning rank of film post reaches warning level; film post cleaning early warning information in time alert is cleaned film post; this cleaning can complete after work at present is shut down and carry out at sewage disposal device; when the cleaning rank of film post reaches alert levels; after output film post cleans prompt messages; sewage disposal device will be shut down, and automatically start film post to clean.This scheme can improve the intelligent degree that film post cleans.
Further, the method also comprises: when the interval time that is less than setting interval time of output early warning information or prompt messages, and the fouling grade of film post higher than set permission grade time, output film is changed information.Diaphragm is changed the diaphragm that information can alert be changed film post in time, is conducive to improve the service efficiency of film post, improves the wastewater treatment efficiency of equipment.
Inventive concept based on identical, the embodiment of the present invention also provides a kind of cleaning control device of film post, comprising:
Obtain equipment, for obtaining the accumulative total wash number of film post, the accumulative total scavenging period of film post and former water water inlet electrical conductivity;
Control appliance, for determining the fouling grade of film post according to the corresponding relation of the accumulative total scavenging period of the accumulative total wash number of film post, film post and former water water inlet electrical conductivity and film post fouling grade; And
According to the corresponding relation of the cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and cleaning coefficient, determine cleaning time of implementation, the clean cycle number of times that film post ought last time clean and clean coefficient.
The cleaning control device providing can be optimized the effect that film post is cleaned, when the slight fouling of film post, the time of implementation of cleaning is shorter, can improve cleaning efficiency and save and clean energy consumption and cost, when the fouling of film post is serious, the time of implementation of cleaning suitably increases, and can guarantee the cleaning quality of film post, improves the service efficiency of film post.
Based on same inventive concept, the embodiment of the present invention also provides a kind of cleaning control system of film post, comprising:
The first counter and the second counter, be respectively used to the accumulative total wash number of recording film post and the accumulative total scavenging period of film post;
Conductivity detector, for detection of former water water inlet electrical conductivity;
Control device, be connected with described the first counter, the second counter and conductivity detector signal respectively, for determine the fouling grade of film post according to the corresponding relation of the accumulative total scavenging period of the accumulative total wash number of film post, film post and former water water inlet electrical conductivity and film post fouling grade; And
According to the corresponding relation of the cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and cleaning coefficient, determine cleaning time of implementation, the clean cycle number of times that film post ought last time clean and clean coefficient.
This cleaning control system can be optimized the effect that film post is cleaned, when the slight fouling of film post, the time of implementation of cleaning is shorter, can improve cleaning efficiency and save and clean energy consumption and cost, when the fouling of film post is serious, the time of implementation of cleaning suitably increases, and can guarantee the cleaning quality of film post, improves the service efficiency of film post.
Preferably, cleaning control system also comprises the acidity-basicity tester that detects circulating water PH value;
Described control device, further be connected with described acidity-basicity tester signal, for determine cleaning reagent classification and the cleaning reagent consumption that ought last time clean according to the corresponding relation of the pH value of the fouling grade of film post and recirculated water and cleaning reagent classification and cleaning reagent consumption.
Preferably, described control device, is further used for the water rate that the accumulative total scavenging period of accumulative total wash number according to film post, film post and the corresponding relation of former water water inlet electrical conductivity and film post water rate are determined film post; And
According to the water rate of film post, apart from last time, clean the cleaning rank of determining the interval time of film post and the pressure of film post and other corresponding relation of film post wash stage film post, the cleaning rank of described film post comprises warning level and alert levels; And
When the cleaning rank of described film post is warning level, output film post cleans early warning information;
When the cleaning rank of described film post is alert levels, output film post cleans prompt messages, and control sewage disposal device and shut down, according to the cleaning time of implementation that ought last time clean, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned;
Described cleaning control system, also comprises the pre-alarming device being connected with described control device signal, for according to described early warning delivering early warning signal, and sends alarm signal according to described prompt messages.
Preferably, cleaning control system also comprises:
The 3rd counter, for recording the interval time of sending early warning signal or alarm signal;
Described control device, is further connected with described the 3rd counter signals, for when being less than interval time of setting described interval time, and the fouling grade of film post higher than set permission grade time, output film is changed information;
Described pre-alarming device, also sends diaphragm replacing cue for change information according to described diaphragm.
The embodiment of the present invention also provides a kind of sewage disposal device, comprises at least one-level counter-infiltration system, and the corresponding cleaning control system as described in aforementioned arbitrary technical scheme of the film post of every one-level counter-infiltration system.The sewage disposal device providing has been optimized the effect that film post is cleaned, and has saved cleaning cost, has extended the service life of film post.Described sewage disposal device comprises wastewater treatment vehicle.
Accompanying drawing explanation
Fig. 1 is the cleaning control method schematic flow sheet of one embodiment of the invention film post;
Fig. 2 is the cleaning control apparatus structure schematic diagram of one embodiment of the invention film post;
Fig. 3 is the cleaning control system structural representation of one embodiment of the invention film post;
Fig. 4 is the cleaning control system structural representation of another embodiment of the present invention film post.
The specific embodiment
In order to optimize the effect that film post is cleaned, save and clean cost, extend the service life of film post, the embodiment of the present invention provides a kind of cleaning control method, device, system and a kind of sewage disposal device of film post.In this technical scheme, according to the corresponding relation of the cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and cleaning coefficient, determine cleaning time of implementation, the clean cycle number of times that film post ought last time clean and clean coefficient, can optimize the effect that film post is cleaned, when the slight fouling of film post, the time of implementation of cleaning is shorter, can improve cleaning efficiency and save and clean energy consumption and cost, when the fouling of film post is serious, the time of implementation of cleaning suitably increases, can guarantee the cleaning quality of film post, improve the service efficiency of film post.Below with specific embodiment and be described with reference to the accompanying drawings the present invention.
As shown in Figure 1, the cleaning control method of the film post that the embodiment of the present invention provides, comprising:
The sewage disposal device that comprises two-pass RO system of take is example, the accumulative total wash number of supposing the film post of first order counter-infiltration system is m(k), the accumulative total scavenging period of film post is t(k), former water water inlet electrical conductivity is e(k), the fouling grade of film post is g(k), m(k), t(k), e(k) and g(k) between corresponding relation as shown in table 1, wherein, g(1)～g(7) respectively corresponding scaling degree be slight, light, general, medium, heavier, seriously, extremely serious.The cleaning time of implementation of supposing film post is s(k), clean cycle number of times is r(k), cleaning coefficient is λ (k), g(k), s(k), r(k), the corresponding relation between λ (k) is as shown in table 2, wherein, s(k), r(k), λ (k) can determine value and be pre-stored within control device according to correlation experience or experiment.
The fouling table of grading of table 1 film post
| Mould post fouling grade g (k) | Clean time of implementation s(k) | Clean cycle number of times r(k) | Clean coefficient lambda (k) |
| g(1) | s(0) | r（1） | λ(0) |
| g(2) | s(1) | r（2） | λ(1) |
| g(3) | s(2) | r（3） | λ(2) |
| g(4) | s(3) | r（4） | λ(3) |
| g(5) | s(4) | r（5） | λ(4) |
| g(6) | s(5) | r（6） | λ(5) |
| g(7) | s(6) | r（7） | λ(6) |
The cleaning time of implementation of table 2 film post, clean cycle number of times, cleaning coefficient table
In a preferred embodiment of the present invention, the cleaning control method of film post also comprises: the pH value that obtains recirculated water;
According to the corresponding relation of the pH value of the fouling grade of film post and recirculated water and cleaning reagent classification and cleaning reagent consumption, determine cleaning reagent classification and the cleaning reagent consumption that ought last time clean.
According to the pH value of the fouling grade of film post and recirculated water, determine cleaning quality and the cleaning efficiency that the cleaning reagent classification that ought last time clean and cleaning reagent consumption can further improve film post, and can reduce the waste of cleaning reagent, further save and clean cost.The corresponding relation of the fouling grade of film post and the pH value of recirculated water and cleaning reagent classification and cleaning reagent consumption can be determined according to correlation experience or experiment.
In another preferred embodiment of the present invention, the method also comprises:
According to the accumulative total scavenging period of the accumulative total wash number of film post, film post and former water water inlet electrical conductivity and the corresponding relation of film post water rate, determine that the water rate of film post (supposes that water rate is
m(k), t(k), e(k) with
between corresponding relation as shown in table 1);
According to the water rate of film post, apart from last time, clean the cleaning rank of determining the interval time of film post and the pressure of film post and other corresponding relation of film post wash stage (please refer to shown in table 3) film post, the cleaning rank of film post comprises warning level and alert levels;
When the cleaning rank of film post is warning level, output film post cleans early warning information;
When the cleaning rank of film post is alert levels; output film post cleans prompt messages; and control sewage disposal device and shut down, according to the cleaning time of implementation that ought last time clean, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned.
Table 3 film post cleans rank table
When the cleaning rank of film post reaches warning level, film post cleaning early warning information in time alert is cleaned film post, and this cleaning can complete after work at present is shut down and carry out at sewage disposal device; When the cleaning rank of film post reaches alert levels; after output film post cleans prompt messages; sewage disposal device will enter stopped status automatically; and automatically start film post to clean; also can shut down rear time delay a period of time (for example 5 minutes) and inquire and whether film post is cleaned at sewage disposal device; if operating personnel are without operation, more automatically start film post to clean.This scheme can improve the intelligent degree that film post cleans, and alleviates operating personnel's labour intensity.Film post cleans in early warning information and film post cleaning prompt messages also can comprise respectively relevant informations such as cleaning time of implementation, clean cycle number of times, cleaning coefficient, cleaning reagent classification, cleaning reagent consumption, to instruct operating personnel to operate or to make operating personnel understand the correlation circumstance of this cleaning.
It is worth mentioning that, the corresponding relation of mentioning in various embodiments of the present invention both can be presented as the form of data relationship table, also can be presented as functional form, was not specifically limited here.
This cleaning control method also can further comprise: when the interval time that is less than setting interval time (can be determined by experience the interval time of this setting according to the particular type of film post) of output early warning information or prompt messages, and the fouling grade of film post (can rule of thumb be determined higher than the permission grade of setting, for example, using g(6) grade is as the permission grade of setting) time, output film is changed information.Diaphragm is changed the diaphragm that information can alert be changed film post in time, and the service efficiency while being conducive to improve the work of film post improves the wastewater treatment efficiency of equipment.
Control procedure and previous embodiment that the film post of sewage disposal device second level counter-infiltration system is cleaned are similar, but the setting of relevant parameter distinguishes to some extent, need in conjunction with correlation experience, determine according to the concrete structure of equipment, are no longer described in detail here.
In the technical scheme of various embodiments of the present invention, according to the cleaning time of implementation of the fouling grade of film post and film post, the corresponding relation of clean cycle number of times and cleaning coefficient is determined the cleaning time of implementation that film post ought last time clean, clean cycle number of times and cleaning coefficient, can optimize the effect that film post is cleaned, when the slight fouling of film post, the time of implementation of cleaning is shorter, can improve cleaning efficiency and save and clean energy consumption and cost, when the fouling of film post is serious, the time of implementation of cleaning suitably increases, can guarantee the cleaning quality of film post, improve the service efficiency of film post.
As shown in Figure 2, the inventive concept based on identical, the embodiment of the present invention also provides a kind of cleaning control device of film post, comprising:
Obtain equipment 10, for obtaining the accumulative total wash number of film post, the accumulative total scavenging period of film post and former water water inlet electrical conductivity;
Control appliance 20, for determining the fouling grade of film post according to the corresponding relation of the accumulative total scavenging period of the accumulative total wash number of film post, film post and former water water inlet electrical conductivity and film post fouling grade; And
According to the corresponding relation of the cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and cleaning coefficient, determine cleaning time of implementation, the clean cycle number of times that film post ought last time clean and clean coefficient.
The cleaning control device providing can be optimized the effect that film post is cleaned, when the slight fouling of film post, the time of implementation of cleaning is shorter, can improve cleaning efficiency and save and clean energy consumption and cost, when the fouling of film post is serious, the time of implementation of cleaning suitably increases, and can guarantee the cleaning quality of film post, improves the service efficiency of film post.
Preferably, obtain equipment 10, also for obtaining the pH value of recirculated water;
Control appliance 20, also for determining cleaning reagent classification and the cleaning reagent consumption that ought last time clean according to the corresponding relation of the pH value of the fouling grade of film post and recirculated water and cleaning reagent classification and cleaning reagent consumption.
Preferably, control appliance 20, also for determining the water rate of film post according to the corresponding relation of the accumulative total scavenging period of the accumulative total wash number of film post, film post and former water water inlet electrical conductivity and film post water rate; And
According to the water rate of film post, apart from last time, clean the cleaning rank of determining the interval time of film post and the pressure of film post and other corresponding relation of film post wash stage film post, the cleaning rank of film post comprises warning level and alert levels; And
When the cleaning rank of film post is warning level, output film post cleans early warning information;
When the cleaning rank of film post is alert levels; output film post cleans prompt messages; and control sewage disposal device and shut down, according to the cleaning time of implementation that ought last time clean, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned.
Preferably, control appliance 20, also for the interval time that is less than setting interval time when output early warning information or prompt messages, and the fouling grade of film post higher than set permission grade time, output film is changed information.
The beneficial effect of each embodiment is the same above, and it is no longer repeated here.
As shown in Figure 3, based on same inventive concept, the embodiment of the present invention also provides a kind of cleaning control system of film post, comprising:
The first counter 31 and the second counter 32, be respectively used to the accumulative total wash number of recording film post and the accumulative total scavenging period of film post;
Conductivity detector 33, for detection of former water water inlet electrical conductivity;
Control device 30, be connected with conductivity detector 33 signals with the first counter 31, the second counter 32 respectively, for determine the fouling grade of film post according to the corresponding relation of the accumulative total scavenging period of the accumulative total wash number of film post, film post and former water water inlet electrical conductivity and film post fouling grade; And
According to the corresponding relation of the cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and cleaning coefficient, determine cleaning time of implementation, the clean cycle number of times that film post ought last time clean and clean coefficient.
This cleaning control system can be optimized the effect that film post is cleaned, when the slight fouling of film post, the time of implementation of cleaning is shorter, can improve cleaning efficiency and save and clean energy consumption and cost, when the fouling of film post is serious, the time of implementation of cleaning suitably increases, and can guarantee the cleaning quality of film post, improves the service efficiency of film post.
As shown in Figure 4, preferred, cleaning control system also comprises the acidity-basicity tester 34 that detects circulating water PH value; Control device 30 is further connected with acidity-basicity tester 34 signals, for determine cleaning reagent classification and the cleaning reagent consumption that ought last time clean according to the corresponding relation of the pH value of the fouling grade of film post and recirculated water and cleaning reagent classification and cleaning reagent consumption.According to the pH value of the fouling grade of film post and recirculated water, determine cleaning quality and the cleaning efficiency that the cleaning reagent classification that ought last time clean and cleaning reagent consumption can further improve film post, and can reduce the waste of cleaning reagent, further save and clean cost.
Shown in Fig. 4, preferred, control device 30 is further used for the water rate that accumulative total wash number, the accumulative total scavenging period of film post and the corresponding relation of former water water inlet electrical conductivity and film post water rate according to film post determined film post; And
According to the water rate of film post, apart from last time, clean the cleaning rank of determining the interval time of film post and the pressure of film post and other corresponding relation of film post wash stage film post, the cleaning rank of film post comprises warning level and alert levels; And
When the cleaning rank of film post is warning level, output film post cleans early warning information;
When the cleaning rank of film post is alert levels, output film post cleans prompt messages, and control sewage disposal device and shut down, according to the cleaning time of implementation that ought last time clean, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned;
Cleaning control system, also comprises the pre-alarming device 35 being connected with control device 30 signals, for according to early warning delivering early warning signal, and sends alarm signal according to prompt messages.
This scheme can improve the intelligent degree that film post cleans.Early warning signal and alarm signal should make operating personnel be easy to difference, and concrete form does not limit here, and for example, early warning signal shows as more slowly " dripping " sound, and alarm signal shows as more rapid " dripping " sound, or send continuous " dripping " sound.
Preferably, cleaning control system also comprises:
The 3rd counter 36, for recording the interval time of sending early warning signal or alarm signal;
Control device 30, is further connected with the 3rd counter 36 signals, for when being less than interval time of setting interval time, and the fouling grade of film post higher than set permission grade time, output film is changed information;
Pre-alarming device 35, also sends diaphragm replacing cue for change information according to diaphragm.
Diaphragm is changed the diaphragm that information can alert be changed film post in time, is conducive to improve the service efficiency of film post, improves the wastewater treatment efficiency of equipment.The first counter, the second counter, the 3rd counter are preferably instrument, after the diaphragm of film post is changed, the zero clearing that can be reset of the first counter, the second counter, the 3rd counter, operating personnel can more intuitively, clearly be known the cleaning situation of film post by each instrument.
The embodiment of the present invention also provides a kind of sewage disposal device, comprises at least one-level counter-infiltration system, and the film post of every one-level counter-infiltration system is corresponding as the cleaning control system of aforementioned arbitrary embodiment.The particular type of sewage disposal device is not limit, for example, can be wastewater treatment vehicle.The sewage disposal device providing has been optimized the effect that film post is cleaned, and has saved cleaning cost, has extended the service life of film post.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (14)
1. a cleaning control method for film post, is characterized in that, comprising:
Obtain the accumulative total wash number of film post, the accumulative total scavenging period of film post and former water water inlet electrical conductivity;
According to the corresponding relation of the accumulative total scavenging period of the accumulative total wash number of film post, film post and former water water inlet electrical conductivity and film post fouling grade, determine the fouling grade of film post;
According to the corresponding relation of the cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and cleaning coefficient, determine cleaning time of implementation, the clean cycle number of times that film post ought last time clean and clean coefficient.
2. cleaning control method as claimed in claim 1, is characterized in that, also comprises:
Obtain the pH value of recirculated water;
According to the corresponding relation of the pH value of the fouling grade of film post and recirculated water and cleaning reagent classification and cleaning reagent consumption, determine cleaning reagent classification and the cleaning reagent consumption that ought last time clean.
3. cleaning control method as claimed in claim 2, is characterized in that, also comprises:
According to the corresponding relation of the accumulative total scavenging period of the accumulative total wash number of film post, film post and former water water inlet electrical conductivity and film post water rate, determine the water rate of film post;
According to the water rate of film post, apart from last time, clean the cleaning rank of determining the interval time of film post and the pressure of film post and other corresponding relation of film post wash stage film post, the cleaning rank of described film post comprises warning level and alert levels;
When the cleaning rank of described film post is warning level, output film post cleans early warning information;
When the cleaning rank of described film post is alert levels; output film post cleans prompt messages; and control sewage disposal device and shut down, according to the cleaning time of implementation that ought last time clean, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned.
4. cleaning control method as claimed in claim 3, is characterized in that, also comprises:
When the interval time that is less than setting interval time of output early warning information or prompt messages, and the fouling grade of film post higher than set permission grade time, output film is changed information.
5. a cleaning control device for film post, is characterized in that, comprising:
Obtain equipment, for obtaining the accumulative total wash number of film post, the accumulative total scavenging period of film post and former water water inlet electrical conductivity;
Control appliance, for determining the fouling grade of film post according to the corresponding relation of the accumulative total scavenging period of the accumulative total wash number of film post, film post and former water water inlet electrical conductivity and film post fouling grade; And
According to the corresponding relation of the cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and cleaning coefficient, determine cleaning time of implementation, the clean cycle number of times that film post ought last time clean and clean coefficient.
6. cleaning control device as claimed in claim 5, is characterized in that,
The described equipment that obtains, also for obtaining the pH value of recirculated water;
Described control appliance, also for determining cleaning reagent classification and the cleaning reagent consumption that ought last time clean according to the corresponding relation of the pH value of the fouling grade of film post and recirculated water and cleaning reagent classification and cleaning reagent consumption.
7. cleaning control device as claimed in claim 6, is characterized in that,
Described control appliance, also for determining the water rate of film post according to the corresponding relation of the accumulative total scavenging period of the accumulative total wash number of film post, film post and former water water inlet electrical conductivity and film post water rate; And
According to the water rate of film post, apart from last time, clean the cleaning rank of determining the interval time of film post and the pressure of film post and other corresponding relation of film post wash stage film post, the cleaning rank of described film post comprises warning level and alert levels; And
When the cleaning rank of described film post is warning level, output film post cleans early warning information;
When the cleaning rank of described film post is alert levels; output film post cleans prompt messages; and control sewage disposal device and shut down, according to the cleaning time of implementation that ought last time clean, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned.
8. cleaning control device as claimed in claim 7, is characterized in that,
Described control appliance, also for the interval time that is less than setting interval time when output early warning information or prompt messages, and the fouling grade of film post higher than set permission grade time, output film is changed information.
9. a cleaning control system for film post, is characterized in that, comprising:
The first counter and the second counter, be respectively used to the accumulative total wash number of recording film post and the accumulative total scavenging period of film post;
Conductivity detector, for detection of former water water inlet electrical conductivity;
Control device, be connected with described the first counter, the second counter and conductivity detector signal respectively, for determine the fouling grade of film post according to the corresponding relation of the accumulative total scavenging period of the accumulative total wash number of film post, film post and former water water inlet electrical conductivity and film post fouling grade; And
According to the corresponding relation of the cleaning time of implementation of the fouling grade of film post and film post, clean cycle number of times and cleaning coefficient, determine cleaning time of implementation, the clean cycle number of times that film post ought last time clean and clean coefficient.
10. cleaning control system as claimed in claim 9, is characterized in that, also comprises the acidity-basicity tester that detects circulating water PH value;
Described control device, further be connected with described acidity-basicity tester signal, for determine cleaning reagent classification and the cleaning reagent consumption that ought last time clean according to the corresponding relation of the pH value of the fouling grade of film post and recirculated water and cleaning reagent classification and cleaning reagent consumption.
11. cleaning control systems as claimed in claim 10, is characterized in that,
Described control device, is further used for the water rate that the accumulative total scavenging period of accumulative total wash number according to film post, film post and the corresponding relation of former water water inlet electrical conductivity and film post water rate are determined film post; And
According to the water rate of film post, apart from last time, clean the cleaning rank of determining the interval time of film post and the pressure of film post and other corresponding relation of film post wash stage film post, the cleaning rank of described film post comprises warning level and alert levels; And
When the cleaning rank of described film post is warning level, output film post cleans early warning information;
When the cleaning rank of described film post is alert levels, output film post cleans prompt messages, and control sewage disposal device and shut down, according to the cleaning time of implementation that ought last time clean, clean cycle number of times, cleaning coefficient, cleaning reagent classification and cleaning reagent consumption, film post is cleaned;
Described cleaning control system, also comprises the pre-alarming device being connected with described control device signal, for according to described early warning delivering early warning signal, and sends alarm signal according to described prompt messages.
12. cleaning control systems as claimed in claim 11, is characterized in that, also comprise: the 3rd counter, for recording the interval time of sending early warning signal or alarm signal;
Described control device, is further connected with described the 3rd counter signals, for when being less than interval time of setting described interval time, and the fouling grade of film post higher than set permission grade time, output film is changed information;
Described pre-alarming device, also sends diaphragm replacing cue for change information according to described diaphragm.
13. 1 kinds of sewage disposal devices, is characterized in that, comprise at least one-level counter-infiltration system, and the corresponding cleaning control system as described in claim 9～12 any one of the film post of every one-level counter-infiltration system.
14. sewage disposal devices as claimed in claim 13, is characterized in that, described sewage disposal device comprises wastewater treatment vehicle.
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| CN103638817B (en) | 2015-12-09 |
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